What happens to cyclin levels between mid-mitosis and the G1 phase?

What was photo 51 with rosalind franklin?

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen

In which state was more than 100 billion tons of coal mined in 2005?